Knoxville Weather Forecast

    • 72
    • 80

    Thunderstorms

    • 73
    • 90

    Rain Showers Likely

    • 65
    • 85

    Chance Thunderstorms

    • 63
    • 82

    Mostly Sunny

    • 68
    • 84

    Chance Rain Showers

    • 64
    • 83

    Slight Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

Today 14 Aug Knox

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Aug Knox

A chance of Showers and Thunderstorms in the Evening, then Showers and Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Humid with Lows in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Knoxville Temperature Statistics

August Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 3 August, 2026

    57.7 °F
  • Average August

    73.7 °F
  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.7 °F
  • Average 2021–2026

    52.1 °F
  • Average High 2021–2026

    62.5 °F
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